Conversion calculator or similar article



FIG. 1 is a top plan view of a conversion calculator or similar articleshowing my new design.

FIG. 2 is a bottom plan view thereof.

FIG. 3 is a side view thereof and is taken in the direction of arrow 3in FIG. 1.

FIG. 4 is an other side view thereof and is taken in the direction ofarrow 4 in FIG. 1.

The ornamental design for a conversion calculator or similar article, substantially as shown and described. 